The ornamental design for a weaponcontrolhandstop, as shown and described.
FIG. 1 is a perspective view;
FIG. 2 is another perspective view;
FIG. 3 is a top view;
FIG. 4 is a bottom view;
FIG. 5 is a right side view, the left side view being a mirror image thereof;
FIG. 6 is a front view; and,
FIG. 7 is a back view.
The broken lines immediately adjacent the shaded areas represent the bounds of the claimed design while all other broken lines are directed to environment and are for illustrative purposes only; the broken lines form no part of the claimed design.